20757935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^2$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 28966896

約数和(自身を除く): 8208961

約数列:

[1, 5, 11, 17, 55, 85, 149, 187, 745, 935, 1639, 2533, 8195, 12665, 22201, 27863, 111005, 139315, 244211, 377417, 1221055, 1887085, 4151587, 20757935]

約数ペア:

[(1, 20757935), (5, 4151587), (11, 1887085), (17, 1221055), (55, 377417), (85, 244211), (149, 139315), (187, 111005), (745, 27863), (935, 22201), (1639, 12665), (2533, 8195)]